Ariel Square Four
77/100 Overall
58 On the road95 As a classic
Classic motorcycle head-to-head
Ariel Square Four vs BSA Gold Star DBD34
Ariel Square Four scores 77/100 overall against BSA Gold Star DBD34 on 79/100. On the road: 58–57. As classics: 95–100. Overall result: BSA Gold Star DBD34.
Photo: Yesterdays Antique Motorcycles · CC BY-SA 4.0
BSA Gold Star DBD34
79/100 Overall
57 On the road100 As a classic
The numbers
Category-by-category result
| Category | Ariel Square Four | BSA Gold Star | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 7 | 6 | Ariel Square Four |
| HandlingSteering, stability, weight and real-road manners. | 6 | 8 | BSA Gold Star |
| BrakingDirect comparison of real stopping ability without an age allowance. | 4 | 5 | BSA Gold Star |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 5 | 5 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 5 | 6 | BSA Gold Star |
| ComfortRiding position, vibration and suitability for longer journeys. | 8 | 4 | Ariel Square Four |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 10 | BSA Gold Star |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 10 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 10 | BSA Gold Star |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
Choose the Ariel Square Four if…
you want unique engineering, refined four-cylinder character and one of Britain's most distinctive luxury motorcycles.
Choose the BSA Gold Star if…
you want a highly focused British sporting single with competition ancestry and exceptional collector standing.
Background
History
Ariel Square Four
The Ariel Square Four was produced from 1931–1959 and used a air-cooled square-four engine. Within this comparison library it stands out particularly for historic importance, character, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
BSA Gold Star
The BSA Gold Star DBD34 was produced from 1956–1963 and used a 499cc air-cooled OHV single. Within this comparison library it stands out particularly for styling, historic importance, collector appeal. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Ariel Square Four
- Its production span in this library runs from 1931 to 1959.
- The recorded engine description is: air-cooled square-four engine.
- Its strongest comparison scores are historic importance, character, styling.
BSA Gold Star
- Its production span in this library runs from 1956 to 1963.
- The recorded engine description is: 499cc air-cooled OHV single.
- Its strongest comparison scores are styling, historic importance, collector appeal.
Present-day appeal
Collector notes
Ariel Square Four
Collector interest is strongest where condition, originality and correct period details support the identity of the Ariel Square Four. Its library score for historic importance is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
BSA Gold Star
Collector interest is strongest where condition, originality and correct period details support the identity of the BSA Gold Star DBD34. Its library score for styling is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Before you buy
Buying checks
Ariel Square Four
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
- Verify that important model-specific parts have not been replaced with incorrect later components.
- Review the paperwork, ownership history and any restoration invoices before purchase.
BSA Gold Star
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check vibration-related fasteners, primary drive condition and signs of persistent oil leakage.
- Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
- Verify that important model-specific parts have not been replaced with incorrect later components.
- Review the paperwork, ownership history and any restoration invoices before purchase.
Period opposition
Historic rivals
Rivals to the Ariel Square Four
Rivals to the BSA Gold Star
Final result
The verdict
Ariel Square Four wins the direct on-the-road comparison. BSA Gold Star DBD34 wins the classic-motorcycle comparison. BSA Gold Star DBD34 takes the overall result after the road and classic scores are weighted equally.